| Form 200C | Delaware Composite Return | 12/30/2011 |
| Form 200ES - 1E 2012 | Estimated Income Tax Voucher - First Quarter | 02/08/2012 |
| Form 200ES - 2E 2012 | Estimated Income Tax Voucher - Second Quarter | 02/08/2012 |
| Form 200ES - 3E 2012 | Estimated Income Tax Voucher - Third Quarter | 02/08/2012 |
| Form 200ES - 4E 2012 | Estimated Income Tax Voucher - Fourth Quarter | 02/08/2012 |
| Form 200ES-EXT | Delaware Estimated Tax Request For Extension Voucher | 02/08/2012 |
| Form 200V | Payment Voucher for Balance Due on Electronically Filed 200-01, 200-02 or 200-03EZ | 12/30/2011 |
| Form 209 | Claim for Refund of Deceased Taxpayer | 12/30/2011 |
| Form 300 | Delaware Partnership Return | 12/30/2011 |
| 300 Instructions | Instructions for Delaware Partnership Return | 12/30/2011 |
| Form 329 | Special Tax Computation for Distribution from Qualified Retirement Plan | 12/30/2011 |
| Form 400 | Delaware Fiduciary Income Tax Return | 12/30/2011 |
| 400 Instructions | Instructions for Delaware Fiduciary Income Tax Return | 12/30/2011 |
| Form 400-ES | Declaration of Estimated Tax Return - Instructions | 12/30/2011 |
| 400 Schedule K-1 | Beneficiary's Information Form For Delaware Fiduciary Income | 12/30/2011 |
| Form 800 | Business Income of Non-Resident | 12/30/2011 |
| Form 900r | Resident Estate Tax Return | 04/05/2012 |
| Form 900nr | Non-Resident Estate Tax Retur | 04/05/2012 |
| Form 1027 | Application for Automatic Extension of Time to File a Delaware Individual Income Tax Return | 12/30/2011 |
| Form 1089 | Request for Blank Forms (Bulk) | 12/30/2011 |
| Form 200-01 | Delaware Individual Resident Income Tax Form | 05/04/2012 |
| 200-01 Booklet | Delaware Individual Resident Income Tax Booklet | 05/04/2012 |
| 200-01 Instructions | Instructions for Delaware Individual Resident Income Tax Return | 05/04/2012 |
| Form 200-01-X | Resident Amended Income Tax Return | 12/30/2011 |
| 200-01X Instructions | Instructions for Resident Amended Income Tax Return | 12/30/2011 |
| Form 200-02 | Delaware Non-Resident Individual Income Tax Form | 05/04/2012 |
| 200-02 Booklet | Delaware Non-Resident Individual Income Tax Booklet | 05/04/2012 |
| 200-02 Instructions | Instructions for Delaware Non-Resident Individual Income Tax Return | 05/04/2012 |
| Form 200-02-X | Non-Resident Amended Income Tax Return | 12/30/2011 |
| 200-02 X Instructions | Instructions for Non-Resident Amended Income Tax Return | 12/30/2011 |
| Form 200-03EZ | Delaware EZ Individual Resident Income Tax Form | 12/30/2011 |
| Form 2210 | Underpayment of Estimated Tax Form | 12/30/2011 |
| 2210 Instructions | Instructions for Underpayment of Estimated Tax Form | 12/30/2011 |
| Form 5403 | Real Estate Tax Return - Declaration of Estimated Income Tax | 01/10/2011 |
| Form 5506CPE 2012 | Exemption from Public Utility Tax on Cell Phones | 11/09/2011 |
| Form 5506CPE 2011 | Exemption from Public Utility Tax on Cell Phones | 12/08/2010 |
| Form 8453 | Individual Income Tax Declaration for Electronic Filing | 12/30/2011 |
| Form 8453OL | Individual Income Tax Declaration for Online Filing | 12/30/2011 |
| Form 8821DE | Authorization to Release Tax Information | 01/25/2008 |
| Form IRA | Special Tax Computation Form | 12/30/2011 |
| Schedule W | Apportionment Worksheet for Delaware Sourced Income Earned Outside Delaware | 12/30/2011 |
| Form Tax Table | Income Tax Table | 01/30/2012 |
| 300 Schedule K-1 | Partner's Share of Income - Schedule | 12/30/2011 |
| Form 402AP9901 | Tax Credits - Application For New Business Facility Credits | 01/06/2012 |
| Form 700 | Tax Credits - Delaware Income Tax Credit Schedule | 12/30/2011 |
| Form 1049L-9605 | Claim for Revision - License Tax | 04/27/2012 |
| Form 1049W89701 | Claim For Revision - Eighth-Monthly Withholding | 01/06/2012 |
| Form 1049W99701 | Claim For Revision - Monthly/Quarterly Withholding | 01/06/2012 |
| Form 1100 | Corporate Income Tax Return | 05/04/2012 |
| 1100 - Instructions | Corporate Income Tax Return - Instructions | 01/06/2012 |
| Form 1100CR0101 | Computation Schedule for Claiming Delaware Economic Development Credits | 01/06/2012 |
| Form 1100-EXT 2010 | Corporation Income Tax - Request For Extension - 2010 | 01/21/2011 |
| Form 1100-EXT 2009 | Corporation Income Tax - Request For Extension - 2009 | 01/11/2010 |
| Form 1100EZ | Corporate Income Tax EZ Return | 01/06/2012 |
| Form 1100P-1 2012-2013 | S Corp Personal Income Tax Voucher - CY 2012 and FY Ending 2013 - First Quarter | 02/07/2012 |
| Form 1100P-2 2012-2013 | S Corp Personal Income Tax Voucher - CY 2012 and FY Ending 2013 - Second Quarter | 02/07/2012 |
| Form 1100P-3 2012-2013 | S Corp Personal Income Tax Voucher - CY 2012 and FY Ending 2013 - Third Quarter | 02/07/2012 |
| Form 1100P-4 2012-2013 | S Corp Personal Income Tax Voucher - CY 2012 and FY Ending 2013 - Fourth Quarter | 02/07/2012 |
| Form 1100P-1 2011-2012 | S Corp Personal Income Tax Voucher - CY 2011 and FY Ending 2012 - First Quarter | 11/02/2011 |
| Form 1100P-2 2011-2012 | S Corp Personal Income Tax Voucher - CY 2011 and FY Ending 2012 - Second Quarter | 11/02/2011 |
| Form 1100P-3 2011-2012 | S Corp Personal Income Tax Voucher - CY 2011 and FY Ending 2012 - Third Quarter | 11/02/2011 |
| Form 1100P-4 2011-2012 | S Corp Personal Income Tax Voucher - CY 2011 and FY Ending 2012 - Fourth Quarter | 11/02/2011 |
| Form 1100P-EXT 2012-13 | S Corp Personal Income Tax - Request For Extension - CY 2012 and FY Ending 2013 | 02/07/2012 |
| Form 1100P-EXT 2011-12 | S Corp Personal Income Tax - Request For Extension - CY 2011 and FY Ending 2012 | 03/04/2011 |
| Form 1100P-REQ 2012-13 | S Corp Personal Income Tax - Request For Change - CY 2012 and FY Ending 2013 | 02/07/2012 |
| Form 1100P-REQ 2011-12 | S Corp Personal Income Tax - Request For Change - CY 2011 and FY Ending 2012 | 03/04/2011 |
| Form 1100S | S Corporation Reconciliation And Shareholders Return | 01/06/2012 |
| 1100S - Instructions | S Corporation Reconciliation And Shareholders Return - Instructions | 01/06/2012 |
| Form 1100S-EXT 2012 | S Corporation Income Tax - Request For Extension - 2012 | 01/06/2012 |
| Form 1100S-EXT 2011 | S Corporation Income Tax - Request For Extension - 2011 | 01/06/2012 |
| Form 1100T-1 2012-2013 | Corporate Tentative Tax Voucher - CY 2012 and FY Ending 2013 - First Quarter | 02/07/2012 |
| Form 1100T-2 2012-2013 | Corporate Tentative Tax Voucher - CY 2012 and FY Ending 2013 - Second Quarter | 02/07/2012 |
| Form 1100T-3 2012-2013 | Corporate Tentative Tax Voucher - CY 2012 and FY Ending 2013 - Third Quarter | 02/07/2012 |
| Form 1100T-4 2012-2013 | Corporate Tentative Tax Voucher - CY 2012 and FY Ending 2013 - Fourth Quarter | 02/07/2012 |
| Form 1100T-1 2011-2012 | Corporate Tentative Tax Voucher - CY 2011 and FY Ending 2012 - First Quarter | 03/04/2011 |
| Form 1100T-2 2011-2012 | Corporate Tentative Tax Voucher - CY 2011 and FY Ending 2012 - Second Quarter | 03/04/2011 |
| Form 1100T-3 2011-2012 | Corporate Tentative Tax Voucher - CY 2011 and FY Ending 2012 - Third Quarter | 03/04/2011 |
| Form 1100T-4 2011-2012 | Corporate Tentative Tax Voucher - CY 2011 and FY Ending 2012 - Fourth Quarter | 03/04/2011 |
| Form 1100T-EXT 2012-13 | Corporate Tentative Tax - Request For Extension - CY 2012 and FY Ending 2013 | 02/07/2012 |
| Form 1100T-EXT 2011-12 | Corporate Tentative Tax - Request For Extension - CY 2011 and FY Ending 2012 | 03/04/2011 |
| Form 1100X | Corporate Income Tax Return - Amended | 01/06/2012 |
| Form 1268-LA2 | Affiliated Finance Company - Business License Application/Renewal | 01/06/2012 |
| Form 1280 | Contractors - Statement of Payments Made to Subcontractors | 06/19/2009 |
| Form 1280-DEV | Contractors - Deductions for Amounts Paid to Subcontractors | 09/23/2008 |
| Form 1801AC0009 | Tax Credits - Land and Historic Resource Conservation - Application and Computation Schedule | 01/06/2012 |
| Form 1811AC0905 | Tax Credits - Historic Preservation - Application and Computation Schedule | 01/06/2012 |
| Form 1811CC0701 | Tax Credits - Certification of Unused Delaware Historic Preservation Tax Credits | 01/06/2012 |
| Form 1902ap | Application for Exemption from Corporate Income Tax - Holding Company | 01/06/2012 |
| Form 1902b | Holding Company/Investment Company Return | 01/06/2012 |
| Form 2001AC0104 | Tax Credits - Neighborhood Assistance - Application and Computation Schedule | 01/06/2012 |
| Form 2070AC0007 | Tax Credits - Delaware Research and Development - Application and Computation Schedule | 01/06/2012 |
| Form 2080DE | Tax Credits - New Economy Jobs Program - Application | 04/01/2010 |
| Form 5060 | Contractors - Statement of Contracts Awarded | 09/23/2008 |
| Form 6401 | Headquarters Management Corporation - Application and Election for License | 01/06/2012 |
| Form Non-Resident Package | | 04/24/2012 |
| Form W1 9301 2012 | Withholding Tax - Monthly Reporting Form - Tax Period Ending in 2012 | 12/28/2011 |
| Form W1 9301 2011 | Withholding Tax - Monthly Reporting Form - Tax Period Ending in 2011 | 12/23/2010 |
| Form Jan-12 | Withholding Tax - 8th-Monthly Reporting Form - Tax Period Ending in January 2012 | 01/19/2012 |
| Form Feb-12 | Withholding Tax - 8th-Monthly Reporting Form - Tax Period Ending in February 2012 | 01/19/2012 |
| Form Mar-12 | Withholding Tax - 8th-Monthly Reporting Form - Tax Period Ending in March 2012 | 01/19/2012 |
| Form Apr-12 | Withholding Tax - 8th-Monthly Reporting Form - Tax Period Ending in April 2012 | 01/19/2012 |
| Form May-12 | Withholding Tax - 8th-Monthly Reporting Form - Tax Period Ending in May 2012 | 01/19/2012 |
| Form Jun-12 | Withholding Tax - 8th-Monthly Reporting Form - Tax Period Ending in June 2012 | 01/19/2012 |
| Form Jul-12 | Withholding Tax - 8th-Monthly Reporting Form - Tax Period Ending in July 2012 | 01/19/2012 |
| Form Aug-12 | Withholding Tax - 8th-Monthly Reporting Form - Tax Period Ending in August 2012 | 01/19/2012 |
| Form Sep-12 | Withholding Tax - 8th-Monthly Reporting Form - Tax Period Ending in September 2012 | 01/19/2012 |
| Form Oct-12 | Withholding Tax - 8th-Monthly Reporting Form - Tax Period Ending in October 2012 | 01/19/2012 |
| Form Nov-12 | Withholding Tax - 8th-Monthly Reporting Form - Tax Period Ending in November 2012 | 01/19/2012 |
| Form Dec-12 | Withholding Tax - 8th-Monthly Reporting Form - Tax Period Ending in December 2012 | 01/19/2012 |
| Form Jan-11 | Withholding Tax - 8th-Monthly Reporting Form - Tax Period Ending in January 2011 | 12/23/2010 |
| Form Feb-11 | Withholding Tax - 8th-Monthly Reporting Form - Tax Period Ending in February 2011 | 02/07/2011 |
| Form Mar-11 | Withholding Tax - 8th-Monthly Reporting Form - Tax Period Ending in March 2011 | 02/07/2011 |
| Form Apr-11 | Withholding Tax - 8th-Monthly Reporting Form - Tax Period Ending in April 2011 | 02/07/2011 |
| Form May-11 | Withholding Tax - 8th-Monthly Reporting Form - Tax Period Ending in May 2011 | 02/07/2011 |
| Form Jun-11 | Withholding Tax - 8th-Monthly Reporting Form - Tax Period Ending in June 2011 | 02/07/2011 |
| Form Jul-11 | Withholding Tax - 8th-Monthly Reporting Form - Tax Period Ending in July 2011 | 02/07/2011 |
| Form Aug-11 | Withholding Tax - 8th-Monthly Reporting Form - Tax Period Ending in August 2011 | 02/07/2011 |
| Form Sep-11 | Withholding Tax - 8th-Monthly Reporting Form - Tax Period Ending in September 2011 | 02/07/2011 |
| Form Oct-11 | Withholding Tax - 8th-Monthly Reporting Form - Tax Period Ending in October 2011 | 02/07/2011 |
| Form Nov-11 | Withholding Tax - 8th-Monthly Reporting Form - Tax Period Ending in November 2011 | 02/07/2011 |
| Form Dec-11 | Withholding Tax - 8th-Monthly Reporting Form - Tax Period Ending in December 2011 | 02/07/2011 |
| Form W1Q 9701 2012 | Withholding Tax - Quarterly Reporting Form - Tax Period Ending in 2012 | 12/28/2011 |
| Form W1Q 9701 2011 | Withholding Tax - Quarterly Reporting Form - Tax Period Ending in 2011 | 12/23/2010 |
| Form W-3 9801 2012 | Withholding Tax - Monthly/Quarterly Annual Reconciliation - Tax Period Ending in 2012 | 12/28/2011 |
| Form W-3 9801 2011 | Withholding Tax - Monthly/Quarterly Annual Reconciliation - Tax Period Ending in 2011 | 12/23/2010 |
| Form W3/W29801 2012 | Withholding Tax - 8th-Monthly Annual Reconciliation - Tax Period Ending in 2012 | 12/28/2011 |
| Form W3/W29801 2011 | Withholding Tax - 8th-Monthly Annual Reconciliation - Tax Period Ending in 2011 | 12/23/2010 |
| Form W-4 | Withholding Tax - Allowance Computation Worksheet - Resident | 02/08/2012 |
| Form W-4-NonResident | Withholding Tax - Allowance Computation Worksheet - Non-Resident | 02/08/2012 |
| Form W-4DE | Withholding Exemption Certificate for Military Spouse | 01/25/2010 |
| Form WREQ | Withholding Tax - Request for Change Form | 12/28/2011 |